.empty-viewport {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  color: var(--text-secondary-color);
  background-color: var(--primary-background-color);
  border: var(--viewport-border-thickness) solid var(--viewport-border-color);
}

.empty-viewport.active {
  border: var(--viewport-border-thickness) solid var(--viewport-border-color-active);;
}
